Describe your system with just one command without the need to configure the documentation of ervery software on your system.
The idea of ServDoc is to provide a documentation-module for every (or at least for many) standard software.

This is a command line date/time manipulation and formatting program, very useful in scripts. You can easily add or subtract days, hours and/or minutes from a specified date. Supports all date(1) output formats plus more.

EyeLog is a flexible and extensible log analyzer for any type of log file. It allows one to define custom regular expressions (perl-style) for pattern matching and custom printf formats for reporting. The goal is to provide a universal log analysis tool.

ApVSys is a general open-source wrapper designed for engineering Unix/Linux environment..It provides a way to use and manage simultaneously different versions of applications (engineering tools, compilers, debuggers simulators, ... ).

YaketyStats is an easy to use and maintain RRDTool solution. YS includes a powerful AJAX interface that includes Google Maps-like dragging. YS is licensed under the GPLv2. Requires: Perl 5.8,PHP 5.1,RRDTool 1.3,Firefox 2/3

Designed to use what is known about users via the /etc/passwd file on unix/linux systems to generate a dynamic dictionary or csv file of more accurate guesses as to what their possible password may be, to look for bad password protection practices.

A simple-minded Unix software inventory manager, in a similar sense as OCS Inventory, but made specifically for Unix variances. It is written entirely in Perl, and not even modern Perl, but the Perl your parents programmed in.